It is one of the funniest things ___ on the Internet so far this year.
| A．finding |
| B．being found |
| C．to find |
| D．found |
The doctor advised Joyce strongly that she should take a holiday, but _______ didn't help.
| A．he | B．She | C．It | D．which |
Aborigines' most common tool in Australia is ________ boomerang, which is used to kill ________ animals.
| A．the;/ | B．/;/ | C．the; the | D．/;the |
There is no doubt, in my opinion,_______ matters is not the speed, but the quality of the product.
| A．what what | B．that that | C．that if | D．that what |
_______,but it is also a great way to lower the number of greenhouse gases in the air.
| A．Not only a fun thing is it to do |
| B．Not only a fun thing to do it is |
| C．Not only it is a fun thing to do |
| D．Not only is it a fun thing to do |
Zheng He started to sail in 1045 to “Western Seas”. In the following 28 years, he made _______ successful travels.
| A．other six | B．more six | C．six another | D．another six |